CAT II - STAAR REVIEW

Nitrogenous bases are joined by which type of bond?

• polar bonds
• ionic bonds
• covalent bonds
• hydrogen bonds

DNA codes for...

• cholesterol
• proteins
• fatty acids
• a sandwich

Which process is shown?

• diffusion
• repiration
• recombination
• translation

Which of the following is the blueprint for the production of RNA within a cell?

• DNA
• protein
• ATO
• carbohydrate

What molecules do both DNA and RNA contain?

• uracil
• nucleotides
• thymine
• deoxyribose

DNA sequence is ACAGTG. How would this be coded on mRNA?

• TGTCAC
• UGUCAC
• GUGACA
• CACUGU

Genetic info flows in one direction. Which best represents the CENTRAL DOGMA?

• DNA-protein-RNA
• Protein-RNA-DNA
• RNA-protein-DNA
• DNA-RNA-protein

The diagram shows the process of

• Transcription
• Translation
• Replication
• Mitosis

What nitrogen base is in DNA but NOT RNA?

• uracil
• thymine
• guanine
• adenine

In a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount of

• cytosine
• guanine
• thymine
• uracil